An egg is placed on a Spectroscope at a lab at the Carl Gustav Carus Faculty of Medicine of the Dresden Institute of Technology (TU Dresden) as part of a project to determin spectroscopically the sex of chicks in ovo before they hatch at their lab in Dresden on April 14, 2016. / AFP / John MACDOUGALL / TO GO WITH AFP STORY BY Mathilde RICHTER (Photo credit should read JOHN MACDOUGALL/AFP via Getty Images)
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AFP JOHN MACDOUGALL